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sites to give b12 injections Vitamin C and Injection Techniques where do you administer b12
Description
Precise Injection: Neurobion B1, B6, and B12 are delivered intramuscularly with minimal discomfort

New York: Marcel Dekker, Inc

A dosage of 2ml is recommended as safe, anything more could cause irritation at the injection site
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If it looks off, do not use the vial
